UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MLCDJATbb838YWBft8V0GTASWo95bjqj+bwSKCdg9HQ=' 
WHERE 
  key_id = '18cf92f4be883daf611d2614edb6f9d1b7166c915d78a6d36108f7271d756b23' 
  AND (
    token = 'MLCDJATbb838YWBft8V0GTASWo95bjqj+bwSKCdg9HQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )